headphones. The Zune 4 and 8 come with a USB connection cord and basic headphones. The Zune 30, the original Zune music player, has a 30GB hard drive, 3 inch screen, and a simple directional pad for menu navigation. The second generation of Zune devices includes the Zune 4, 8, 16, 80 and 120. The Zune 4, 8, and 16 are smaller in size and have 4GB, 8GB, and 16GB of flash memory respectively. All second generation Zunes have a Zune Pad instead of the original directional pad that was included on the Zune 30. Microsoft released an upgrade to the software/firmware for all Zune models, including the Zune 30. On May 26, 2009, Microsoft announced the Zune HD, the first touch screen Zune. The Zune HD has HD Radio and the ability to display video in High Definition through a docking station (sold separately). The screen is multi-touch enabled and uses gestures such as swiping and pinching throughout the player. The device comes with 16GB, 32GB, or 64GB of flash memory. The screen is OLED, 3.3inches, and has a 480x272 16:9 resolution. Also included are Wi-Fi, a custom Internet Explorer browser, and an accelerometer. Preloaded content Zune devices featured preloaded audio and video content from various artists, including Wisin & Yandel, BT, The Thermals, Paul Oakenfold, and CSS. Limited edition, promotional, and employee-gift Zune devices also featured unique content of varying kinds (i.e. pictures, videos, music, and/or audio/video podcasts). Specifications Accessories The standard Zune devices come with basic headphones and a proprietary USB data cable. The Zune 30 comes with these items as well as a carrying bag, and the Zune 80 model has upgraded "Zune Premium" headphones. Accessories that were sold separately included, but are not limited to: Charging devices (car adapter, AC wall-socket adapters, external battery) I/O adapters (A/V composite, FM transmitters, headphones, USB data cable) Docks (charging, multimedia large speaker, vertical hands-free assist) Protection (glass screen protection, hardened/cushioning material case protection) Carrying cases (standard issue, armband type, and belt clip) Replacement parts and upgrades (battery, hard drive, LCD, etc.) Among the firms that made Zune accessories were Microsoft, Altec Lansing, Belkin, Digital Lifestyle Outfitters (DLO), Dual Electronics, Griffin Technology, Harman Kardon, JBL, Integrated Mobile Electronics, Jamo International, Klipsch Audio Technologies, Logitech, Monster Cable Products Inc., Speck, Targus, Kicker and VAF Research. Firmware According to Microsoft, the most up-to-date firmware version is 4.5 (114) for the Zune